diff options
Diffstat (limited to 'arch/arm/mach-tegra/pm.c')
| -rw-r--r-- | arch/arm/mach-tegra/pm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c index 2cdfdfe6f43d..b20b51245d50 100644 --- a/arch/arm/mach-tegra/pm.c +++ b/arch/arm/mach-tegra/pm.c @@ -579,6 +579,16 @@ static void tegra_sleep_core(enum tegra_suspend_mode mode, static inline void tegra_sleep_cpu(unsigned long v2p) { #ifdef CONFIG_TRUSTED_FOUNDATIONS + if (tegra_is_cpu_in_lp2(0)) { + struct thread_info *thread; + + /* flush thread state (sleep SMC will also disable L2) */ + thread = current_thread_info(); + BUG_ON(!thread); + + __cpuc_flush_dcache_area(thread, THREAD_SIZE); + outer_flush_range(__pa(thread), __pa(thread) + THREAD_SIZE); + } tegra_generic_smc_uncached(0xFFFFFFFC, 0xFFFFFFE4, (TEGRA_RESET_HANDLER_BASE + tegra_cpu_reset_handler_offset)); |